Solve.All 33 of the students in a mathematics class attended class on Monday. On Tuesday only 28 students attended. What was the percent of decrease?
A. 17.9%
B. 84.8%
C. 82.1%
D. 15.2%
Answer: D
Mathematics
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Find the difference.-16 - (-4)
A. 12 B. -20 C. 20 D. -12
Mathematics
Solve. Write results using scientific notation.A company produced 984,000 small appliances in one year and made a profit of 
. What was the profit on each appliance?
A. $6.05 B. $6.05 x 10-1 C. $1.65 x 10-1 D. $1.65 x 101
Mathematics
Solve the problem.P(x) = -x3 + 
x2 - 60x + 100, x ? 5 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 4 hundred thousand B. 4.5 hundred thousand C. 5.5 hundred thousand D. 5 hundred thousand
Mathematics
Evaluate the expression.P(12, 12)
A. 1 B. 12 C. 239,500,800 D. 479,001,600
Mathematics